(3GdJNWjW ddJOQjS (B/ s - (3eMeO Gejf GdeaJi (B((3eJQLe(B)s; (3QJTi, QHhQJs ([S.N] : (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1979)
Keywords: (3WQb GdJOQjSs; (3GdJYdjes; (3GdJQHjIs; (3GdJNWjW GdJQHhis; (3GdGOGQIs; (3GdJOQjSs; (3GdeYdes